Question: WHAT IS THE IMPACT CRATER WITH THE MAXIMUM DIAMETER
Paraphrase: Which impact crater has the maximum diameter?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q55818 . ?ent wdt:P2386 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Utopia Planitia, Borealis Planitia, South Pole–Aitken basin, Skinakas, Isidis Planitia